Maxent output produced using SDMtune version 1.3.2 (Vignali S. et al., 2020).

ROC curve

Thresholds

Threshold Cloglog value Fractional predicted area Training omission rate Test omission rate P-values
Minimum training presence 0.006578048 0.8172853 0.00000000 0.0000000000 0
Equal training sensitivity and specificity 0.270280475 0.1817193 0.18309859 0.0004583552 0
Maximum training sensitivity plus specificity 0.241340605 0.2001806 0.14788732 0.0003273965 0
Equal test sensitivity and specificity 0.243896540 0.1985949 0.15492958 0.0003273965 0
Maximum test sensitivity plus specificity 0.142365215 0.2699515 0.08450704 0.0001309586 0

Distribution map

Variable importance

Variable Permutation_importance sd
pp_seasonality 33.6 0.023
sum 22.5 0.012
pp_driest_m 17.3 0.018
pp_wettest_m 15.3 0.008
temp_range_diurnal 5.6 0.005
temp_isothermality 3.2 0.007
temp_mean_annual 2.4 0.004

Jackknife test

Model settings

Shown below the settings used to train the model:

  • Model type: Maxent
  • Train locations: 86539
    • presence: 142
    • absence/background: 86397
  • Test locations: 15272
    • presence: 25
    • absence/background: 15247
  • Continuous variables: pp_driest_m, pp_seasonality, pp_wettest_m, temp_isothermality, temp_mean_annual, temp_range_diurnal, sum
  • Categorical variables:
  • Output type: cloglog
  • Feature Class combination: lpq
  • Regularization multiplier: 1
  • Do clamping for predictions: FALSE,
  • Extra arguments: removeduplicates=false, addsamplestobackground=false

References

  • Vignali, S., Barras, A. G., Arlettaz, R., Braunisch, V. (2020). SDMtune: An R package to tune and evaluate species distribution models. Ecology and Evolution, 10(20), 11488–11506. https://doi.org/10.1002/ece3.6786
  • Vignali, S., Barras, A. G., Braunisch, V. (2024). SDMtune: Species Distribution Model Selection. R package version 1.3.2. https://CRAN.R-project.org/package=SDMtune